+) Colin is playing a video game. He wins 25 points for each gold coin he finds. His goal is to win
1 answer:
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Answer:
y is also doubled.
Step-by-step explanation:
Direct proportionality between and
means that
or
,
which indicates a linear relationship between and
because they are related by a constant.
Therefore, if x is doubled, then the new value of is
The new value of is 2 times the previous; therefore,
is doubled as
is doubled.
Answer:
$7.76
Step-by-step explanation:
Let x be the amount he was making before the raise.
He had an increase of 3.1% of x added to x which resulted in a new salary of $8.00 per hour.
Mathematically:
x = $7.76
He was making $7.76 before the raise.